Today I had a much clearer answer to this question (from the Open Graph debugger tool): Small og:image: All the images referenced by og:image should be at least 200px in both dimensions, with 1500×1500 preferred. (Maximum image size is 5MB.) Please check all the images with tag og:image in the given url and ensure that … Read more
The only way to tell if a cookie is valid is to use it and catch the error if it is expired. There is no polling method or anything to check if a token is valid. To get a new token, simply redirect the user to the authentication page again. Because they have already authorized … Read more
There is a way to extend this to 60 days. described here: https://developers.facebook.com/docs/roadmap/completed-changes/offline-access-removal/ under Scenario 4: Client-side OAuth and Extending Access_Token Expiration Time through New Endpoint Edit: In order to extend the access token you need to make the following request with your short lived access token: https://graph.facebook.com/oauth/access_token? client_id=APP_ID& client_secret=APP_SECRET& grant_type=fb_exchange_token& fb_exchange_token=EXISTING_ACCESS_TOKEN
UPDATE: This solution is no longer valid. FQLs are deprecated since August 7th, 2016. https://api.facebook.com/method/fql.query?query=select%20%20like_count%20from%20link_stat%20where%20url=%22http://www.techlila.com%22 Also http://api.facebook.com/restserver.php?method=links.getStats&urls=http://www.techlila.com will show you all the data like ‘Share Count’, ‘Like Count’ and ‘Comment Count’ and total of all these. Change the URL (i.e. http://www.techlila.com) as per your need. This is the correct URL, I’m getting right results. EDIT … Read more
You need to add this into your head tag in HTML source <meta property=”fb:app_id” content=”XXXXXXXXXXXXXXX” /> That is default app id. Replace XXX With your app id
I had the same problem and I think I found out why: If the user has an unconfirmed email in Facebook (i.e. Facebook sent him a validation mail to the user’s email address but he didn’t respond) Facebook WILL NOT pass that email to your app even if he gave you the email permissions. So … Read more
Facebook got rid of the username because the username is one way of sending emails via Facebook. For example, given the url http://www.facebook.com/sebastian.trug the corresponding Facebook email would be sebastian.trug@facebook.com which, if emailed, would be received to messages directly (if the message setting is set to public), otherwise to the other inbox.
Edit (August 14th 2012): A week ago the official Facebook PHP SDK was updated. The function name was changed to setExtendedAccessToken, and it was decided we actually needed to destroy the session afterwards, to remove the risk of having two active sessions. Also, the function no longer actually returns the token, but instead stores it … Read more
this line needs a parameters value that is NOT nil let graphRequest : FBSDKGraphRequest = FBSDKGraphRequest(graphPath: “me”, parameters: nil) I’ll expand more, for example, and this is psuedo code of sorts: so for ObjC it would be this, for example, so the the above would read the following: parameters:@{@”fields”: @”id, name”} In swift it would … Read more
It’s ok for me with states. I have open and close states as needed.